CVE-2026-124030
Deferred Deferred - Pending Action

GPAC Type Confusion in MP4Box via XMT File

Publication date: 2026-11-06

Last updated on: 2026-11-06

Assigner: VulnCheck

Description
GPAC through 26.07.0 contains a type confusion vulnerability in gf_sg_command_apply() in src/scenegraph/commands.c that fails to verify BIFS field-replace command types match target node fields. Attackers can supply a crafted XMT file opened with MP4Box, such as via chapter import, causing gf_sg_vrml_field_clone() to memcpy from invalid pointers and crash.

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Meta Information

Published
2026-11-06
Last Modified
2026-11-06
Generated
2026-11-06
EPSS Evaluated
N/A
NVD
CVE-2026-124030
EUVD
EUVD-2026-118438

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
gpac gpac From 0 (inc) to 26.7.0 (inc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-843 The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

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